UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 1 MAY 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1004 103 17.4 10.4 63 7.0 13.3 90 11 290.2 291.6 286.2 312.6 7.90 1 1000 130 18.0 13.8 76 4.2 15.4 95 13 291.1 292.9 288.5 319.3 9.96 2 925 803 18.0 7.0 49 11.0 11.7 125 21 297.7 298.9 288.0 317.7 6.80 3 850 1518 11.6 3.6 58 8.0 7.3 130 25 298.3 299.4 287.3 315.6 5.83 4 700 3103 0.2 -14.8 31 15.0 -5.0 135 21 302.7 303.0 284.7 308.2 1.73 5 500 5700 -17.9 -33.9 23 16.0 -20.6 195 25 311.2 311.3 286.3 312.7 0.43 6 400 7330 -29.5 -39.5 37 10.0 -30.6 215 29 316.6 316.7 288.0 317.8 0.31 7 300 9320 -45.5 -49.6 63 4.1 -45.7 225 29 321.2 321.3 289.3 321.8 0.14 8 250 10500 -55.7 -60.5 55 4.8 -55.8 210 29 323.3 323.3 289.8 323.4 0.04 9 217 11397 -59.1 -69.1 26 10.0 -59.2 205 25 331.4 331.4 292.1 331.4 0.02 10 200 11910 -59.1 -71.1 20 12.0 -59.2 195 23 339.2 339.2 294.1 339.2 0.01 11 150 13710 -57.1 -78.1 5 21.0 -57.4 190 9 371.7 371.7 300.9 371.7 0.01 12 100 16280 -58.1 -88.1 1 30.0 -58.5 320 7 415.5 415.5 307.2 415.5 0.00 TRP 217 11397 -59.1 -69.1 26 10.0 -59.2 205 25 331.4 331.4 292.1 331.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5570.00 m Freezing level: 697.79 mb = 3131.70 m = 10274.47 ft Wetbulb zero: 761.19 mb = 2418.90 m = 7935.93 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 39.46 % Est. max temperature: 25.46 C = 77.83 F Sfc-Lift cond lev (LCL): 904.42 mb = 993.22 m = 3258.54 ft T: 16.30 C 700-500 lapse rate: 6.97 C/km ThetaE index: 11.15 C Layer 925.0- 500.0 mb Conv cond level (CCL): 785.99 mb = 2157.18 m = 7077.28 ft Mean mixing ratio: 8.03 g/kg Conv temperature: 27.32 C = 81.18 F Cap Strength: 3.23 C Lifted Index: -0.52 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.56 C Lifted Index @700 mb: 0.53 C Showalter Index: 1.01 C Risk: Showers probable Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.50 C Cross Totals Index: 21.50 C K Index: 18.10 Risk: < 20 % chance of thunderstorms Sweat Index: 158.20 Risk: None Energy Index: -0.56 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.30 J/kg Max Up Vert Vel: 10.61 m/s Conv Inhibition (B-): 178.03 J/kg Cap Strength: 3.23 C Lift Cond Lev (LCL): 845.94 mb = 1557.11 m = 5108.58 ft Lev Free Conv (LFC): 640.94 mb = 3783.36 m = 12412.45 ft Equ Level (EL): 440.94 mb = 6618.24 m = 21713.14 ft B at Equ Level: 55.69 J/kg Max Parcel Lev (MPL): 350.94 mb = 8235.19 m = 27018.01 ft Wind level data Storm motion: 180 at 17 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1004 103 90 11 -11.0 0.0 | 33 20 -11.1 -16.9 1 1000 130 95 13 -13.0 1.1 | 40 20 -13.1 -15.7 2 925 803 125 21 -17.2 12.0 | 74 18 -17.3 -4.8 3 850 1518 130 25 -19.2 16.1 | 88 19 -19.3 -0.8 4 700 3103 135 21 -14.8 14.8 | 82 15 -15.0 -2.0 5 500 5700 195 25 6.5 24.1 | 221 10 6.3 7.3 6 400 7330 215 29 16.6 23.8 | 247 18 16.5 6.9 7 300 9320 225 29 20.5 20.5 | 260 21 20.4 3.6 8 250 10500 210 29 14.5 25.1 | 240 17 14.4 8.3 9 217 11397 205 25 10.6 22.7 | 241 12 10.4 5.8 10 200 11910 195 23 6.0 22.2 | 227 8 5.8 5.4 11 150 13710 190 9 1.6 8.9 | 350 8 1.4 -8.0 12 100 16280 320 7 4.5 -5.4 | 349 23 4.4 -22.2 Wind Parameters Mean winds (0-6000m): 150.5 at 22.5 knts Storm direction: 180.5 at 16.9 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 48.9 deg Storm rel helicity (0-3000m) pos: 92.7 neg: -6.7 tot: 86.0 m^2/s^2 ave: 28.7 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.75 Bulk Shear: 32.12 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 107 16 50 19| 10.3 0.0 10.3| 53.5 0.0 53.5 106.9 0.99| 10.6 10.5 1000 118 18 63 18| 7.9 0.0 7.9| 80.5 0.0 80.5 80.5 0.98| 8.3 8.1 1500 122 20 71 18| 6.1 0.0 6.1| 92.7 0.0 92.7 61.8 0.97| 6.4 6.2 2000 125 21 75 18| 4.4 0.0 4.4| 92.7 -2.0 90.7 45.3 0.88| 5.2 4.6 2500 126 22 77 18| 3.3 0.0 3.3| 92.7 -4.2 88.5 35.4 0.80| 4.5 3.6 3000 128 22 78 18| 2.6 0.0 2.6| 92.7 -6.7 86.0 28.7 0.72| 4.0 2.9 4000 132 22 82 16| 2.7 0.0 2.7|114.7 -6.7 108.0 27.0 0.74| 4.1 3.0 5000 141 22 90 14| 2.7 0.0 2.7|133.0 -6.7 126.3 25.3 0.78| 4.3 3.3 6000 150 22 104 12| 2.7 0.0 2.7|148.9 -6.7 142.2 23.7 0.79| 4.3 3.4 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250501.00.gif